208078172375

素因数分解:

$5^3\times {\mathrm{41}}^2\times {\mathrm{990259}}^1$

素因数の和:990356

約数の個数: 24

約数和(自身を含む): 266170004880

約数和(自身を除く): 58091832505

約数列:

[1, 5, 25, 41, 125, 205, 1025, 1681, 5125, 8405, 42025, 210125, 990259, 4951295, 24756475, 40600619, 123782375, 203003095, 1015015475, 1664625379, 5075077375, 8323126895, 41615634475, 208078172375]

約数ペア:

[(1, 208078172375), (5, 41615634475), (25, 8323126895), (41, 5075077375), (125, 1664625379), (205, 1015015475), (1025, 203003095), (1681, 123782375), (5125, 40600619), (8405, 24756475), (42025, 4951295), (210125, 990259)]